Iowa State University Veterinarian Records, RS 22/6/0/9, University Archives, Special Collections Department, Iowa State University, http://www.add.lib.iastate.edu/spcl/arch/rgrp/22-6-0-9.html
Necrotic vulvitis may be defined as a morbid inflammation of the external genitalia, characterized by hyperemic swelling, necrotic sloughing and large eschar formation which varies from focal lesions to complete obliteration of the area.
"Necrotic Vulvitis in Feedlot Heifers,"
Iowa State University Veterinarian: Vol. 20
, Article 5.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol20/iss1/5